Dictionary
spinal cord
noun
: the large group of nerves which runs through the center of the spine and carries messages between the brain and the rest of the body
Full Definition of SPINAL CORD
: the cord of nervous tissue that extends from the brain lengthwise along the back in the vertebral canal, gives off the pairs of spinal nerves, carries impulses to and from the brain, and serves as a center for initiating and coordinating many reflex acts — see brain illustration
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First Known Use of SPINAL CORD
1834
Rhymes with SPINAL CORD
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SPINAL CORD Defined for Kids
spinal cord
noun
Definition of SPINAL CORD for Kids
: a thick bundle of nerves that extends from the brain down through the cavity of the backbone and connects with nerves throughout the body to carry information to and from the brain
Medical Dictionary
spinal cord
noun
Medical Definition of SPINAL CORD
: the thick longitudinal cord of nervous tissue that in vertebrates extends along the back dorsal to the bodies of the vertebrae and is enclosed in the vertebral canal formed by their neural arches, is continuous anteriorly with the medulla oblongata, gives off at intervals pairs of spinal nerves to the various parts of the trunk and limbs, serves not only as a pathway for nervous impulses to and from the brain but as a center for carrying out and coordinating many reflex actions independently of the brain, and is composed largely of white matter arranged in columns and tracts of longitudinal fibers about a large central core of gray matter somewhat H-shaped in cross section and pierced centrally by a small longitudinal canal continuous with the ventricles of the brain—called also medulla spinalis
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